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c. Calculate the test statistic. z = -2.48 (Round to two decimal places as needed.) d. Find the p-value for the test.

c. Calculate the test statistic. z = -2.48 (Round to two decimal places as needed.) d. Find the p-value for the test.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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In quality-control applications of hypothesis testing, the null and alternative hypotheses are frequently specified as Ho: The production process is performing satisfactorily and H₂: The process is performing in an unsatisfactory manner. Accordingly, a is sometimes referred to as the producer's risk, while ß is called the consumer's risk. An injection molder produces plastic golf tees with a mean weight of 0.252 ounce. To investigate whether the injection molder is operating satisfactorily, 40 tees were randomly sampled from the last hour's production. Their weights (in ounces) are listed in the accompanying table. Complete parts a through g. Click here to view the table of golf tee weights. to (Round to four decimal places as needed.) c. Calculate the test statistic. z = -2.48 (Round to two decimal places as needed.) d. Find the p-value for the test. p-value= (Round to three decimal places as needed.)
Transcribed Image Text:In quality-control applications of hypothesis testing, the null and alternative hypotheses are frequently specified as Ho: The production process is performing satisfactorily and H₂: The process is performing in an unsatisfactory manner. Accordingly, a is sometimes referred to as the producer's risk, while ß is called the consumer's risk. An injection molder produces plastic golf tees with a mean weight of 0.252 ounce. To investigate whether the injection molder is operating satisfactorily, 40 tees were randomly sampled from the last hour's production. Their weights (in ounces) are listed in the accompanying table. Complete parts a through g. Click here to view the table of golf tee weights. to (Round to four decimal places as needed.) c. Calculate the test statistic. z = -2.48 (Round to two decimal places as needed.) d. Find the p-value for the test. p-value= (Round to three decimal places as needed.)
Golf Tee Weights 0.248 0.251 0.249 0.250 0.255 0.251 0.251 0.248 0.248 0.251 0.254 0.252 0.256 0.251 0.252 0.253 0.250 0.254 0.254 0.254 0.251 0.251 0.252 0.249 0.249 0.251 0.252 0.253 0.2480.252 0.252 0.252 0.249 0.252 0.249 0.253 0.252 0.249 0.249 0.251 Print Done - X
Transcribed Image Text:Golf Tee Weights 0.248 0.251 0.249 0.250 0.255 0.251 0.251 0.248 0.248 0.251 0.254 0.252 0.256 0.251 0.252 0.253 0.250 0.254 0.254 0.254 0.251 0.251 0.252 0.249 0.249 0.251 0.252 0.253 0.2480.252 0.252 0.252 0.249 0.252 0.249 0.253 0.252 0.249 0.249 0.251 Print Done - X
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